| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [verb] [prep] | 17508 |
|
| 2 | [adv] [verb] [prep] [v-ing] | 5312 |
|
| 3 | is [verb] [prep] [v-ing] | 2261 |
|
| 4 | is [adv] [prep] [v-ing] | 542 |
|
| 5 | is [adv] [verb] [v-ing] | 109 |
|
